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lxwx_front/common/common.js

18 lines
369 B

2 years ago
/**
* dataurl: base64
* filename: 设置文件名称
*/
export const dataURLtoFile = (dataurl, filename) => {
let arr = dataurl.split(','),
mime = arr[0].match(/:(.*?);/)[1],
bstr = atob(arr[1]),
n = bstr.length,
u8arr = new Uint8Array(n);
while (n--) {
u8arr[n] = bstr.charCodeAt(n);
}
return new File([u8arr], filename, {
type: mime
});
}